Improvement in grain-cleaning machine



J. ROOD.

Grain Winnowr.

' Patented Sept. 28, 1869.

":PETERS, PHOTOUTHOGRAPIHER, WASHINGTON. 0 0.

wJAME s ROOZDQOF BE AVER DAM. WISCONSIN.

2 Letters Patent No. 95,269, dated September 23, 1869.

1 IMPROVEMENT IN GRAIN-CLEANING- MACHINE.

The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern:

Be it known that .I, J AMES ROOD, of Beaver Dam,-

in the countyof Dodge, iii-the State of Wisconsin, have invented anew and improved Grain-Gleaner, Separator, and Grader; and i I do hereby'declarethat the following is a full and exact description thereof, reference being .had to the accompanying drawings, making-a part of this specification, and to the letters of reference marked thereon, in which i t Figure 1 shows the manner of constructing the fan-arms. I a

Figure 2 shows the shape of the fan 0, its manner of attachment to the arm b, and the position of the arm on the shaft 11,

Figure 3 is a perspectivelview of the machine as encased for work.

Figure 4 is a detached view of sundryparts, ar-

mechanism.

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.-

The wooden fan-arms i) b arehalved together at .right angles in themiddle, and each arm-end has a bevelledrslot sawed into it, as indicatedat a a a a.

" he fan'c is centred into the slot (1, and nailed fast,

. as indicated in fig..2.

of confiuence' by the central-hung fan-arms, and are By this arrangement of the fans and fan-arms, the advantage gained is, that the currents of wind fiowmg into the sideopenings of the fan-drum A, fig. 3,

are not thrown into whirls and flurries, by reason of revolving arms constantly breaking their line of motion, as is the case when the fan-arms are attached at the ends insteadof at the centre of thefan; but the two infiowiug currents are struck at their point thus thrown forward together, whilealso driven by the fans in one even and powerinl current. And by.

this centr'ah'hung and sloping position of the fans, the greatest force of wind produced with the least expenditure of power inrevolving them.

Infig. 4- 1 B J is the screens drawer, and is to be drawn out i at the rear of the machine.

G is a spout, which is firmly attached to the vibrator H H, fig. 3, and through which the No. 2

wheat is delivered at the side of the machine, thus afi'ording thengreatest convenience for pouring it-back into the hopper h, to be run through the machine again, when desired.

i D is a narrow'screen, to be put in or taken out at will. I

E is a sieve, coarse enough to let wheat fall through it, but p'ass oats over its edge into the screens drawer, at J; and

f indicates a part-way bottom (made of sheet-zinc, or other suitable material,) on the sieve E, and upon which the wheat falls as it drops through the sieve, and is poured into the spout G. p

F isa wide screen, and has a part-way bottom, g, which receives the grass-seeds, broken wheat, 850.,

7 that fall through this screen, and pours them into the screens drawer at J, while the full-sized Wheat is poured over the front' edge of the screen onto the chute G, and thence upon the floor under the fandrurn A.

K is anindex-gauged wind-board, hinged to the lower edge of the fan-drum A, so as to hang just above the chute G.

A set-screw, '5, bearing a pointer, j, passes through the gauge-slot e, and into the end of the wind-board, so as to hold it firmly at. anygauge-point desired, and the gauge-slot c is marked so as to indicate precisely where to set the wind-board, in order to get the best current or blast of wind for each kind of work for which the machine isadapted. d

Fig. 5. shows the working-parts of this improvement in their relative and co-operative positions for work, when wheat is to be graded for N0. 1 and No. 2.

The screens 1) and F, and the sieve E, rest in inclined grooves in the sides of the vibrator H H, fig.

3, and below the gang of .sieves L, fig. 3. (A gang of sieves is in common use for grain-cleaning purposes,

and is put in here in the usual manner.)

The process is then as follows:

The heaviest or N o. 1 wheat falls from the-hopper it down through the gang of sieves L upon the screen F, and is poured over its edge and down the chuteG', while its screenings are poured from the part-way bottom 9 into the screens drawer at J. Atthe same time, the lighter or No. 2 wheat and the oats'are blown over the back edge of the screen F, so as to fall on the screen '1), while their screenings fall upon a small chute, and thence into the soreens drawer at B. The wheat and oatsmove forward on to the sieve E, but the wheat sift-s through on to the partway bottom f, and 'is poured into the spout C, while the oats move forward over the'e'dge of the sieve, and fall into the screens drawer at J. 3

When it is desired not'to grade wheat, but merely to clean it for market, the screen D is drawn out from ts 'place for grading, and put into the same grooves with the screen F. The wind-board being set to the proper gauge-point, all the wheat now falls on the screens F and D, adjusted together as one screen, and is poured down the chute G,.the blast being now gauged so as to blow the cats over back of the screen 1* I), while the screenings fall into the screens drawer at B and J, as before; but nothing falls upon the sieve E, or into the spout G, for they are entirely covered by the part-way bottom g on the screen F.

Having thus described the construction and opera-' tion of my machine, v

I claim as new, and desire to secure by Letters Patent- 1. The operative combination of the fans 0 c c c with the screens D and F, the sieve E, the side spout G, and the gauged wind-board K, substantially in the manner and for the purposes described.

cacao 2. The manner of constructing and arranging the sieve E and the screen 1? with part-way bottoms, and in combination with the detached adjustable screen D, substantially in the manner and for the purposes described.

3. The operative combination of the spout O with the screens D and F and the sieve E, substantially in the manner and for the purposes described.

4. The operative combination of the index-gauged wind-board K with the fans 0 c c c, for the purpose of gauging with uniform certainty the exact depth and elevation of wind-current for the best results in each different kind of work to be done, and substantially in the manner as described.

JAMES ROOD. Witnesses:

ISRAEL B. RECORD, J ASPEB Haynes. 

